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|a 10.1111/vcp.12180
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|a eng
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| 100 |
1 |
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|a Weishaar, Kristen M
|e verfasserin
|4 aut
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| 245 |
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|a Malignant mesenchymoma with widespread metastasis including bone marrow involvement in a dog
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|c 2014
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| 336 |
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|a Text
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|a Date Completed 12.06.2015
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|a Date Revised 20.10.2016
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2014 American Society for Veterinary Clinical Pathology and European Society for Veterinary Clinical Pathology.
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|a A male castrated Golden Retriever was presented for evaluation of a large mass over the left shoulder extending to the lower part of the neck that had been present for an extended period of time, but had a recent history of rapid growth. Previous aspirates of the mass were consistent with a lipoma. The mass was surgically excised and was diagnosed as an extraskeletal osteosarcoma based on histopathology. After surgery, the dog was initiated on a chemotherapy protocol with carboplatin and metronomic cyclophosphamide. He became neutropenic, anemic, and thrombocytopenic 14 days after the carboplatin treatment was administered. The neutropenia resolved, but the anemia and thrombocytopenia progressed. A bone marrow aspirate revealed erythroid hypoplasia, myeloid hyperplasia with a predominance of early precursors, and a subset of cells that made up 20% of the total population that were reported as bizarre and unclassifiable. These cells were discrete in nature and were thought to be hematopoietic in origin. The dog was euthanized due to deterioration of the clinical condition. On postmortem examination, widespread metastasis involving the lungs, liver, kidney, heart, and bone marrow was found. Histopathology of the tumor lesions determined 2 distinct malignant populations of liposarcoma and osteosarcoma, consistent with malignant mesenchymoma. However, the possibility of 2 separate neoplastic processes cannot be definitively excluded. This is the first report of bone marrow metastasis of a malignant mesenchymoma in a dog
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|a Case Reports
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|a Journal Article
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|a Canine
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|a liposarcoma
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| 650 |
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|a necropsy
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| 650 |
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|a osteosarcoma
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| 700 |
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|a Edmondson, Elijah F
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| 700 |
1 |
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|a Thamm, Douglas H
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|a Olver, Christine S
|e verfasserin
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|i Enthalten in
|t Veterinary clinical pathology
|d 1975
|g 43(2014), 3 vom: 22. Sept., Seite 447-52
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|x 1939-165X
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|g year:2014
|g number:3
|g day:22
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|g pages:447-52
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